+static uint8_t intel_dp_autotest_link_training(struct intel_dp *intel_dp)
+{
+ uint8_t test_result = DP_TEST_ACK;
+ return test_result;
+}
+
+static uint8_t intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
+{
+ uint8_t test_result = DP_TEST_NAK;
+ return test_result;
+}
+
+static uint8_t intel_dp_autotest_edid(struct intel_dp *intel_dp)
+{
+ uint8_t test_result = DP_TEST_NAK;
+ struct intel_connector *intel_connector = intel_dp->attached_connector;
+ struct drm_connector *connector = &intel_connector->base;
+
+ if (intel_connector->detect_edid == NULL ||
+ connector->edid_corrupt ||
+ intel_dp->aux.i2c_defer_count > 6) {
+ /* Check EDID read for NACKs, DEFERs and corruption
+ * (DP CTS 1.2 Core r1.1)
+ * 4.2.2.4 : Failed EDID read, I2C_NAK
+ * 4.2.2.5 : Failed EDID read, I2C_DEFER
+ * 4.2.2.6 : EDID corruption detected
+ * Use failsafe mode for all cases
+ */
+ if (intel_dp->aux.i2c_nack_count > 0 ||
+ intel_dp->aux.i2c_defer_count > 0)
+ DRM_DEBUG_KMS("EDID read had %d NACKs, %d DEFERs\n",
+ intel_dp->aux.i2c_nack_count,
+ intel_dp->aux.i2c_defer_count);
+ intel_dp->compliance_test_data = INTEL_DP_RESOLUTION_FAILSAFE;
+ } else {
+ struct edid *block = intel_connector->detect_edid;
+
+ /* We have to write the checksum
+ * of the last block read
+ */
+ block += intel_connector->detect_edid->extensions;
+
+ if (!drm_dp_dpcd_write(&intel_dp->aux,
+ DP_TEST_EDID_CHECKSUM,
+ &block->checksum,
+ 1))
+ DRM_DEBUG_KMS("Failed to write EDID checksum\n");
+
+ test_result = DP_TEST_ACK | DP_TEST_EDID_CHECKSUM_WRITE;
+ intel_dp->compliance_test_data = INTEL_DP_RESOLUTION_STANDARD;
+ }
+
+ /* Set test active flag here so userspace doesn't interrupt things */
+ intel_dp->compliance_test_active = 1;
+
+ return test_result;
+}
+
+static uint8_t intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp)
+{
+ uint8_t test_result = DP_TEST_NAK;
+ return test_result;
+}
+
+static void intel_dp_handle_test_request(struct intel_dp *intel_dp)